include/hw/i386/x86.h

   1 /*
   2  * Copyright (c) 2019 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2 or later, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef HW_I386_X86_H
  18 #define HW_I386_X86_H
  19
  20 #include "qemu-common.h"
  21 #include "exec/hwaddr.h"
  22 #include "qemu/notify.h"
  23
  24 #include "hw/boards.h"
  25 #include "hw/nmi.h"
  26
  27 typedef struct {
  28     /*< private >*/
  29     MachineClass parent;
  30
  31     /*< public >*/
  32
  33     /* TSC rate migration: */
  34     bool save_tsc_khz;
  35     /* Enables contiguous-apic-ID mode */
  36     bool compat_apic_id_mode;
  37 } X86MachineClass;
  38
  39 typedef struct {
  40     /*< private >*/
  41     MachineState parent;
  42
  43     /*< public >*/
  44
  45     /* Pointers to devices and objects: */
  46     ISADevice *rtc;
  47     FWCfgState *fw_cfg;
  48     qemu_irq *gsi;
  49     GMappedFile *initrd_mapped_file;
  50
  51     /* Configuration options: */
  52     uint64_t max_ram_below_4g;
  53
  54     /* RAM information (sizes, addresses, configuration): */
  55     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  56
  57     /* CPU and apic information: */
  58     bool apic_xrupt_override;
  59     unsigned apic_id_limit;
  60     uint16_t boot_cpus;
  61     unsigned smp_dies;
  62
  63     /*
  64      * Address space used by IOAPIC device. All IOAPIC interrupts
  65      * will be translated to MSI messages in the address space.
  66      */
  67     AddressSpace *ioapic_as;
  68 } X86MachineState;
  69
  70 #define X86_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
  71
  72 #define TYPE_X86_MACHINE   MACHINE_TYPE_NAME("x86")
  73 #define X86_MACHINE(obj) \
  74     OBJECT_CHECK(X86MachineState, (obj), TYPE_X86_MACHINE)
  75 #define X86_MACHINE_GET_CLASS(obj) \
  76     OBJECT_GET_CLASS(X86MachineClass, obj, TYPE_X86_MACHINE)
  77 #define X86_MACHINE_CLASS(class) \
  78     OBJECT_CLASS_CHECK(X86MachineClass, class, TYPE_X86_MACHINE)
  79
  80 uint32_t x86_cpu_apic_id_from_index(X86MachineState *pcms,
  81                                     unsigned int cpu_index);
  82
  83 void x86_cpu_new(X86MachineState *pcms, int64_t apic_id, Error **errp);
  84 void x86_cpus_init(X86MachineState *pcms, int default_cpu_version);
  85 CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
  86                                              unsigned cpu_index);
  87 int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
  88 const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
  89
  90 void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
  91
  92 void x86_load_linux(X86MachineState *x86ms,
  93                     FWCfgState *fw_cfg,
  94                     int acpi_data_size,
  95                     bool pvh_enabled,
  96                     bool linuxboot_dma_enabled);
  97
  98 #endif